Questions by varun

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A wine of density a g/`cm^3` is stretched between two clamps 1 m apart while subjected to an extension of 0.05 cm. What is the lowest frequency of transverse vibration in the wire? Let young’s Modulus = `y = 9 xx10^(10)N`/`m^2`

asked Mar 19, 2022 in 11th Physics

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Differentiate between the types of vibration in closed and open organ

asked Mar 19, 2022 in 11th Physics

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Under what condition is the relation `s =υt`

asked Mar 19, 2022 in 11th Physics

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Two balls of different masses are thrown vertically upward with same initial speed. Which one will rise to a greater

asked Mar 19, 2022 in 11th Physics

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What is the relative velocity of two bodies having equal

asked Mar 19, 2022 in 11th Physics

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Write the characteristics of

asked Mar 19, 2022 in 11th Physics

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Draw displacement time graph for uniformly accelerated motion. What is its

asked Mar 19, 2022 in 11th Physics

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Sameer went on his bike from Delhi to Gurgaon at a speed of 60km/hr and cameback at a speed of 40km/hr. what is his average speed for entire

asked Mar 19, 2022 in 11th Physics

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Define `u = v+ at` from velocity time

asked Mar 19, 2022 in 11th Physics

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A particle is moving along a straight line and its position is given by the relation `x=(t^3-6t^2+40)m` Find (a) The time at which velocity is zero. (b) Position and displacement of the particle at that point. (c) Acceleration for the particle at that

asked Mar 19, 2022 in 11th Physics

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Velocity time graph of a moving particle is shown. Find the displacement (1) 0 – 4 s (2) 0 – 8 s(3) 0 - 12 s from the graph. Also write the differences between distance and displacement. [1 unit on Y axis is 1m; 1 unit on X axis is

asked Mar 19, 2022 in 11th Physics

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A railway train 400m long is going from New Delhi railway station to Kanpur. Can we consider railway train as a point

asked Mar 19, 2022 in 11th Physics

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Shipra went from her home to school 2.5km away. On finding her home closed she returned to her home immediately. What is her net displacement? What is the total distance covered by

asked Mar 19, 2022 in 11th Physics

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Can speed of an object be negative?

asked Mar 19, 2022 in 11th Physics

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What causes variation in velocity of a

asked Mar 19, 2022 in 11th Physics

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Figure. Shows displacement – time curves I and II. What conclusions do you draw from these

asked Mar 19, 2022 in 11th Physics

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Displacement of a particle is given by the expression `x = 3t^2 + 7t – 9`, where x is in meter and t is in seconds. What is

asked Mar 19, 2022 in 11th Physics

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A particle is thrown upwards. It attains a height (h) after 5 seconds and again after 9s comes back. What is the speed of the particle at a height

asked Mar 19, 2022 in 11th Physics

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A police jeep on a petrol duty on national highway was moving with a speed of 54km/hr. in the same direction. It finds a thief rushing up in a car at a rate of 126km/hr in the same direction. Police sub – inspector fired at the car of the thief with his service revolver with a muzzle speed of 100m/s. with what speed will the bullet hit the car of

asked Mar 19, 2022 in 11th Physics

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Establish the relation `Snth =u +a/2(2n-1)` where the letters have their usual

asked Mar 19, 2022 in 11th Physics

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